Evidence row 76133

Observed 26 Oct 2026, 14:38 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://grundpreis.halowerk.com/v1/pack-compare
Recorded: 26 Oct 2026, 14:38 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 683aa8d4df3f170035144d110c9a2711e563a66e508c78087f74d694c9517fe3
Leaf: 0xd1f0df995885ebe8bb51c42298bb54941dfdb34859f993c6ae4f9f73623a4693

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://grundpreis.halowerk.com/v1/pack-compare"
    ]
  ],
  "name": "grundpreis.halowerk.com/v1/pack-compare",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Compare supplied packs within the same mass or volume basis. Example: 500 g at EUR 1.49 versus 1 kg at EUR 2.69. Unknown quantities and incompatible units are marked rather than silently compared.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "packs": [
                {
                  "label": "small",
                  "price_eur": 1.29,
                  "quantity": "500 g"
                },
                {
                  "label": "family",
                  "price_eur": 3.49,
                  "quantity": "1,5 kg"
                }
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "packs": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "ean": {
                            "maxLength": 14,
                            "minLength": 8,
                            "type": "string"
                          },
                          "label": {
                            "maxLength": 80,
                            "type": "string"
                          },
                          "price_eur": {
                            "exclusiveMinimum": 0,
                            "maximum": 100000,
                            "type": "number"
                          },
                          "quantity": {
                            "maxLength": 40,
                            "type": "string"
                          }
                        },
                        "required": [
                          "price_eur"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "minItems": 2,
                      "type": "array"
                    }
                  },
                  "required": [
                    "packs"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-20T21:12:04.409Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-20T21:12:03.995Z"
    },
    "resource": "https://grundpreis.halowerk.com/v1/pack-compare",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compare supplied packs within the same mass or volume basis. Example: 500 g at EUR 1.49 versus 1 kg at EUR 2.69. Unknown quantities and incompatible units are marked rather than silently compared."
}

What the leaf hashes

{"body":"683aa8d4df3f170035144d110c9a2711e563a66e508c78087f74d694c9517fe3","id":76133,"kind":"listing","method":"baseline/1","observed_us":1793025491691309,"prev":null,"subject":"x402_bazaar:https://grundpreis.halowerk.com/v1/pack-compare","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON